abiotrophyn. 營養性衰竭、生活力缺失學術名詞營養性衰竭：動物學、獸醫學代謝性神經萎縮：生命科學榮養不足：病理學榮養缺乏：病理學生活力缺失：獸醫學英文釋義a loss of vitality and a degeneration of cells and tissues not due to any apparent injury